21024346310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1375039}}^1$

素因数の和:1375196

約数の個数: 32

約数和(自身を含む): 41581209600

約数和(自身を除く): 20556863290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 15290, 1375039, 2750078, 6875195, 13750390, 15125429, 30250858, 75627145, 151254290, 191130421, 382260842, 955652105, 1911304210, 2102434631, 4204869262, 10512173155, 21024346310]

約数ペア:

[(1, 21024346310), (2, 10512173155), (5, 4204869262), (10, 2102434631), (11, 1911304210), (22, 955652105), (55, 382260842), (110, 191130421), (139, 151254290), (278, 75627145), (695, 30250858), (1390, 15125429), (1529, 13750390), (3058, 6875195), (7645, 2750078), (15290, 1375039)]